| Date: | 2017-10-17 |
| Time: | 1730 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m31s |
| Standardized Duration: | 4m 31s |
| Time Entered: | 2017-10-17 17:30:34 |
| Time Updated: | 2017-10-17 17:35:32 |
| Time Uploaded: | 2019-05-13 21:36:08 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | |
| Comments: | preplay 1707; prediction GT 1716 | NPS 1724; couple of preplay jets between 1707 and 1730 could've initiated eruption |